The Sierras de San Luis are a mountain range located in the province of San Luis, Argentina. This range is part of the larger Sierras Pampeanas system and features a variety of landscapes, including rocky peaks, valleys, and forests. The highest peak in the Sierras de San Luis is Cerro Mercedario, which reaches an elevation of approximately 6,770 meters. The region is known for its rich biodiversity and offers numerous outdoor activities such as hiking, rock climbing, and birdwatching. The Sierras de San Luis also hold cultural significance, with several indigenous communities historically inhabiting the area, contributing to its unique heritage.